Scuba - Study guides, Class notes & Summaries

SDI Computer Nitrox Questions and Answers 100% Pass True or False. Oxygen Enriched Air is a term some divers use to refer to Nitrox. True The air we normally breathe consists primarily of: Nitrogen and Oxygen A mixture of nitrogen and oxygen in which the percentage of oxygen is greater than that found in air is generally called: Enriched Air, Enriched Air Nitrox, Nitrox, Etc. The person who creates the Nitrox used to fill scuba cylinders is referred to as a: Blender Which of the following...

The NAUI Advanced Scuba Diver Course consists of at least 6 open water dives - True Penetration wreck diving is a required dive in the Advanced Scuba Course - False While you will receive an introduction to some of the specialty areas of diving, you do not receive enough training to be considered proficient in them - True The aim of NAUI is to educate people to have fun while diving as safely as possible - True The NAUI Advanced textbook cannot be used as a diving reference book - False Pl...

At a minimum, while diving, most dive computers display: - Maximum depth, current depth, actual bottom time, remaining allowable bottom time. Which of the following is an essential feature to consider when selecting a diving mask? - Tempered or safety glass Snorkels over 15 inches (38 centimeters) in length are not recommended primarily because: - They have too much dead air space. When buying or renting equipment for diving, the most important consideration is: - Its fit on your body. W...

SCUBA, SSI Open Water Diver FinSCUBA, SSI Open Water Diver Final Exam 2023(answered)SCUBA, SSI Open Water Diver Final Exam 2023(answered)al Exam 2023(answered)

What will the buoyancy of an object be (positive, neutral, or negative) if it displaces an amount of water: a. more than its own weight? b. less than its own weight? c. equal to its own weight? - ANSWER a. positive b. negative c. neutral How does the buoyancy of an object differ in fresh water compared to salt water. - ANSWER Because salt water weighs more than fresh water, it causes more buoyancy (more upward force) What is the relationship between increasing and decreasing d...

SDI Open Water Scuba Diver Exam Questions and Answers

CH 2 : What is the most important rule in scuba diving? never hold your breath CH 4 : Describe from start to finish the steps to disassembling your scuba system - remove accessories and weights - decompress the system : turn the valve knob completely clockwise, decompress the second gauges (purge button or auto inflator button to vent air remaining in the hoses) - detach the LP hose from the inflator assembly by pulling the collar back on the quick disconnect , unscrew the yoke knob u...

PADI Open Water Diver Final Exam with 100% Correct Answers 2023 As a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deep as - Correct Answer-18 metres/60 feet As you descend in water, the pressure - Correct Answer-increases A depth change of 10 metres/33 feet causes a pressure change of - Correct Answer-1 bar/ata (atmosphere) if you take 6 liters of air from the surface to 20 metres/66 feet, the volume will be - Correct Answer-2 litres (the density of the ...

The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is: -A: 2 ata -B:1 ata -C: 4 ata -D: 3 ata A: 2 ata Gauge pressure is defined as: -A: Hydrostatic pressure minus 1 ata -B: The pressure at the surface -C: The depth reading on a gauge -D: Absolute pressure minus 1 ata D: Gauge pressure is defined as Absolute pressure minus 1 ata The first symptom of a sinus squeeze is usually: -A: a dull pain deep within the head -B: a sharp pai...